Where does “Omer” come from?

Omer (French) comes from Frankish *Audamār, from Proto-Germanic mēraz, from Proto-Indo-European mērós, from Proto-Indo-European mē- — to measure; endeavour, will, temper; many.

Ancestry of “Omer”, step by step

StepLanguageWordMeaning
1Frankish*Audamār
2Proto-Germanicmērazgreat; excellent; famous
3Proto-Indo-Europeanmērósgreat; considerable; sizable; impressive
4Proto-Indo-Europeanmē-to measure; endeavour, will, temper; many
Every word from Proto-Indo-European mē-Every word from Proto-Indo-European mērósEvery word from Proto-Germanic mēraz